Cecilia Costa Melgar defeated Elizabeth Ferris 2-6 6-4 6-3 in the Metepec 10K round of 16 on hard. The upset overturned the form book — Elizabeth Ferris came in leading the head-to-head 1–0. Cecilia Costa Melgar claimed a first win over Elizabeth Ferris in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-03-26 | Puebla 10K | SF | hard | Elizabeth Ferris | 6-0 6-4 |